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Fix Broadcom BCM20702A0 driver error

In recent times, some Windows 10 users have seen an error code BCM20702A0, when using Bluetooth and they are concerned as to what it is all about. We can say for certain that it has something to do with your Bluetooth driver. The error message in question is:

The drivers for this device are not installed. There are no compatible drivers for this device.

The problem here tends to no longer allow specific Bluetooth components to properly communicate with your Windows 10 operating system. It also affects laptops that do not have native Bluetooth support; therefore, the manufacturer installed a dongle on the inside to deliver the service. This is not the best way to do things because native support is always better. On the other hand, maybe you’re using a Broadcom USB Bluetooth dongle that is acting up, and as such, the error is showing.

Below are solutions provided for this particular error and how to eliminate it.

  1. Run the Bluetooth Troubleshooter

    Press ⊞ WINDOWS to open the menu and select settings
    In settings choose Update & Security
    Go to troubleshoot and on the right panel click on additional troubleshooters
    Click on Bluetooth
    Select Run the troubleshooter, then sit back and allow the tool to do its thing. Once you’ve completed the task, click on Apply this fix if any repairs are needed
    Reboot your computer

  2. Install Broadcom driver from official website

    Windows drivers for Broadcom Bluetooth devices are no longer posted on their website. They should be available through Microsoft’s Windows Update service. If drivers were not downloaded automatically by Windows Update, use Device Manager to refresh the driver from Windows Update.
    However, the Broadcom Bluetooth drivers seem to be available here on the Lenovo website. To fix the BCM20702A0 driver error, you may download and install them.
    After downloading it, right-click on the downloaded item, and select Run as administrator. After installation, restart your computer, then check again if it works.

  3. Remove all Bluetooth drivers and USB controllers

    If previous solutions did not work, go to device manager and remove all Bluetooth devices along with all USB controllers.
    Reboot your computer and Windows will automatically reinstall and set all devices.

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If your Microsoft Edge browser encountered a Stop Error that says, “INVALID_POINTER_READ_c0000005 (atidxx64.dll)” in your Windows 10 computer, then this indicates that your Graphics card driver is outdated. According to security experts, Microsoft has already acknowledged the problem and stated that this issue exists with Windows 10 v1809, Windows Server 2019, and Windows Server version 1809. Although there is no direct way to resolve the problem, there are still some workarounds you can try. If you are using a RadeonHD2000 or HD4000 series video card, the update will be blocked for you. Some users also claim to experience performance issues with the lock screen or the ShellExperienceHost. However, if you are using AMD, the problem is that it no longer supports Radeon HD2000 and HD4000 series graphics processing units or GPUs. Even though Microsoft is already working for a way to resolve the problem, here are some alternative solutions you can check out:

Option 1 – Update your Graphics card drivers

  • First, boot your computer into Safe Mode.
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  • After that, a list of device drivers will be displayed. From there, look for the Display Adapters and click on them.
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Option 2 – Try removing AMD Radeon HD2000 and HD4000 drivers

Although this is not exactly a perfect solution, removing AMD drivers will make the operating system fall back to the default GPU available on your motherboard. You also have the option to completely disable the hardware.
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  • Next, look for your Graphics card drive, and under Display Adapters, right click on them and click Uninstall device or Disable device.
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Option 4 – Try to remove the Graphics card physically

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Option 2 – Try to choose Maximum Performance and disable Vsync

If the first option didn’t work out for you, then you might want to try turning off Vsync and adjust the performance to the maximum. Refer to these steps to disable Vsync and adjust performance to the maximum.
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Option 3 – Try updating the drivers from the official site of NVIDIA

If both the first and second given options didn’t work, you can also try updating the drivers from the official NVIDIA website. And in case you don’t know the type of Nvidia graphics card that your computer is on, follow the steps below:
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Option 3 – Try resetting Cortana

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Option 4 – Try running the DISM tool

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Option 5 – Try to reinstall Cortana

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After your computer restarts.

Once you’re done executing the given instructions above, you have to right-click on the speaker icon located in the system tray and select Open Sound Settings and click on Manage device settings – the same controls will be visible to you like earlier. Now when you change the volume level for one speaker, the other speaker should now remain as it is and won’t change alongside the speaker.
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  • Step 1: Tap the Win + R keys to open the Run dialog box.
  • Step 2: Next, type “Regedit” in the field and hit Enter to open the Registry Editor.
  • Step 3: After opening the Registry Editor, navigate to the following registry key:
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  • Step 4: Then double-click on the multi-string value {374DE290-123F-4565-9164-39C4925E467B} located in the right hand pane. And in the Value Data, copy and paste the following value:
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  • Step 6: Restart your computer. After that, the operating system will pick up the new folder location during the startup. Here are the values for the other folders:
Music – {1CF1260C-4DD0-4ebb-811F-33C572699FDE} Pictures – {3ADD1653-EB32-4cb0-BBD7-DFA0ABB5ACCA} Videos – {A0953C92-50DC-43bf-BE83-3742FED03C9C} Documents – {A8CDFF1C-4878-43be-B5FD-F8091C1C60D0} Desktop – {B4BFCC3A-DB2C-424C-B029-7FE99A87C641}
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  • Step 8: After that, right-click on the Downloads folder located in the right-hand pane.
  • Step 9: Then click on Properties and go to the Location tab then type “D:\Downloads” in the location box.
  • Step 10: Click the Apply button and then the OK button to save the changes made. Doing so would ensure that not only the Downloads folder is restored but also that it does not stay merged to another folder or appear as a drive.
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